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Anna007 [38]
3 years ago
5

I need help ¯\_(ツ)_/¯

Mathematics
1 answer:
Bond [772]3 years ago
6 0
 1.  As M is the midsegment  JM / JK = 1/2 

By similar triangles  JM/JK = 1/2 = x / 12

2x = 12  so x = 6 answer


2.    By the same reasoning as above

  x / (x + 9 )  =  8.5 / 17  = 1/2
2x = x + 9
x = 9  

Answer x = 9


You might be interested in
You start driving north for 21 miles, turn right, and drive east for another 20 miles.
Wewaii [24]

Answer:

40

Step-by-step explanation:

add 21 + 20

hope this helps :)

8 0
4 years ago
How do I add and subtract radicals with no like terms
liq [111]

Most real number arithmetic is pretty vacuous

\sqrt 2 + \sqrt 3 = \sqrt{2} + \sqrt{3}

That's about as good a way as possible to write this particular real number. But it's far from the only way.

(\sqrt 2 + \sqrt 3)^2 = \sqrt{2}^2 + 2\sqrt 2 \sqrt 3 + \sqrt{3}^2 = 5 + 2 \sqrt 6

so

\sqrt 2 + \sqrt 3 = \sqrt{5 + 2 \sqrt 6}

Sometimes you can factor something out and you have a common radical:

\sqrt{32} + \sqrt{128} = \sqrt{2^5} + \sqrt{2^7} = 4 \sqrt{2} + 8 \sqrt{2} = 12 \sqrt{2}

But most of them are vacuous,

3\sqrt{7} + 34 \sqrt{13} = 3\sqrt{7} + 34 \sqrt{13}


8 0
4 years ago
X/12 = -11 <br> ugh so hard<br> help me pls to make my sad face happy<br> :(
Otrada [13]

Answer:

-132

Step-by-step explanation:

x/12 = -11

<u>⋅ 12 = ⋅ 12</u>

x = -132

7 0
3 years ago
Read 2 more answers
What is the equation of the line in slope intercept form form
Tamiku [17]
Those points you can see on the graph.
The first one refers to the x value and the second, to y value. If you notice, when you have x = 0, y = 3. When x = -5, y = 0.

When the line intercepts one of the axis, means the other coordinate is = 0.
3 is y intercept, it means the x value of that point is 0. The same happens to the x intercept - 5. It means the y value of that point is 0.

A ( -5 | 0 )
B ( 0 | 3 )

m = Delta y / Delta x.
Delta y is the variation over the x-axis. Delta x, the x axis.


Be safe!

5 0
3 years ago
NO LINKS!! Please help me​
Tatiana [17]

Answer:

A

Step-by-step explanation:

Since cosine is positive and sine is negative that puts θ in Quad IV.

From right triangles we know:

Cos θ = adjacent/hypotenuse = 5/13

sin θ = opposite/hypotenuse = ?/13

To find the opposite side across from θ use the pythagorean theorem.

5² + y² = 13²

25 + y² = 169

y² = 144

y = 12

we are given  that sin is < 0 so sinθ = -12/13

6 0
2 years ago
Read 2 more answers
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